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Bus Diesel Engines WP4.1N/WP4.6N
| Series | Type | Disp （L） |
Bore×Stroke (mm) |
Per cylinder valve | Rated power/speed (PS/rpm) |
| WP4.1N | In-line,Turbo-charged and intercooled，CR and SCR |
4.1 | 105×118 | 4 | 170-190/2600 |
| WP4.6N | 4.6 | 108×125 | 220/2300 | ||
| Series | Model | Emission | Displacement /cylinders |
Per cylinder valve | Rated power/speed (kW/rpm) |
Max.torque/speed (N.m/rpm) |
Technical route |
| WP4.1N | WP4.1NQ170 | EuroIV/V | 4.1L/4 | 4 | 125/2600 | 600/1300-1900 | CR+SCR |
| WP4.1NQ190 | 140/2600 | 680/1300-1900 | |||||
| WP4.6N | WP4.6NQ220 | 4.6L/4 | 162/2300 | 800/1200-1800 |
Light Bus, Bus 8m-9m
